CN103256093B - Lubricating system of IC engine - Google Patents
Lubricating system of IC engine Download PDFInfo
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- CN103256093B CN103256093B CN201310156480.6A CN201310156480A CN103256093B CN 103256093 B CN103256093 B CN 103256093B CN 201310156480 A CN201310156480 A CN 201310156480A CN 103256093 B CN103256093 B CN 103256093B
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Abstract
The invention discloses a kind of lubricating system of IC engine, comprise rotor-type oil pump and the filter screen of being located at rotor-type oil pump in-line, described rotor-type oil pump is fixed on crank case of internal combustion engine and is driven by I. C. engine crankshaft, the oil-feed side of described filter screen is fixedly installed oil storage cover, the oil-in place of described oil storage cover is fixedly installed the oil storage boss that level extends internally, the oil-in that makes collecting filter at vehicle on slope or jolt and can store a certain amount of machine oil while advancing, even the sufficient supplies of the unsettled same guarantee machine oil of oil-in, prevent under-supply component wear aggravation and the tile kilning phenomenon of causing of machine oil, ensure performance and the service life of engine, eliminate the fit-up gap between lubricating oil pump and crankcase simultaneously, reduce crankshaft length, save bent axle consumptive material and manufacturing cost, reduce bent axle weight, avoid the vibration of bent axle to be passed to timing cover, reduce noise.
Description
Technical field
The present invention relates to internal combustion engine part, relate in particular to a kind of lubricating system of IC engine.
Background technology
Machine oil is engine lubricating oil, can play lubricated anti-attrition to engine, cool, sealed against leakage,The effects such as antirust corrosion protection, damping, buffering, machine oil in use needs to filter, in filtering machine oil due to machineThe part solid impurities such as the metal fillings producing that rub, to avoid the wearing and tearing of engine parts; In order to ensure machine oilDegree of purity, generally all adopt multistage filtering, and the first order filter of machine oil is lubricating system of IC engine,Existing lubricating system of IC engine comprises lubricating oil pump, fuel sucking pipe, screen cover and filter screen, in the effect of lubricating oil pumpLower by machine oil suck, by filter screen, the impurity in machine oil is carried out to filtering, lubricating oil pump generally adopts rotator type machineOil pump, has the advantages such as appearance and size is little, lightweight, oil suction vacuum large, fuel feeding good uniformity, existingHave in technology, in the time that vehicle travels on slope, because engine sump tilts to cause the machine oil liquid level in drain panChange, thereby the oil-in of lubricating system of IC engine is unsettled, or works as the road surface that Vehicle Driving Cycle is joltingTime, the liquid level of the machine oil in engine sump is unstable equally, the phenomenon that there will be left and right or front and back to rock,The unsettled phenomenon of the now same appearance of the oil-in of lubricating system of IC engine, due to existing lubricating system of IC engineDo not possess oil storage function, in the time that the oil-in of collecting filter is unsettled, make the machine oil supply discontinuity of engine, whenWhen the machine oil supply discontinuity of engine, can make the parts friction aggravation of engine, even there will be tile kilning phenomenon,Have a strong impact on performance and the service life of vehicle motor; And the lubricating oil pump of existing lubricating system of IC engineBe installed on the timing cover of internal combustion engine and driven by I. C. engine crankshaft, Crankshaft is to extending to rotator type machine oilThe endoporus of pump internal rotor also drives internal rotor to rotate, and avoids lubricating oil pump and crankcase in assembling process but be generallyInterfere, between lubricating oil pump and crankcase, need to leave certain interval, and bent axle need and turn through this gapThe internal rotor of minor lubricating oil pump connects, and causes bent axle long, causes that bent axle consumptive material is many, cost is high and weight is largeProblem, moreover, lubricating oil pump also can be passed to timing cover by the vibration of bent axle, produce noise.
Therefore, for addressing the above problem, need a kind of lubricating system of IC engine, the oil-in of collecting filter is existedVehicle is on slope or jolt and while advancing, can store a certain amount of machine oil, even the unsettled same guarantee machine of oil-inThe sufficient supplies of oil, prevents under-supply component wear aggravation and the tile kilning phenomenon of causing of machine oil, and guarantee is startedThe performance of machine and service life, eliminate the fit-up gap between lubricating oil pump and crankcase simultaneously, reduce bent axle longDegree, saves bent axle consumptive material and manufacturing cost, reduces bent axle weight, avoids the vibration of bent axle to be passed to timingCover cap, reduces noise.
Summary of the invention
In view of this, the object of this invention is to provide a kind of lubricating system of IC engine, by collecting filter settingFuel Tanking Unit, when the oil-in of collecting filter at vehicle on slope or jolt and can store a certain amount of machine while advancingOil, even if the sufficient supplies of the unsettled same guarantee machine oil of oil-in can effectively prevent from that machine oil is under-supply to makeBecome component wear aggravation and tile kilning phenomenon, ensure performance and the service life of engine; And, structure letterSingle, easily manufactured, with low cost; Rotor-type oil pump is fixed on to crank case of internal combustion engine setting simultaneously, canEliminate the fit-up gap between lubricating oil pump and crankcase, compared with prior art can reduce crankshaft length, jointAbout bent axle consumptive material and manufacturing cost, reduce bent axle weight, improves the power performance of internal combustion engine, also can avoid byThe vibration of bent axle is passed to timing cover, is beneficial to minimizing noise.
A kind of lubricating system of IC engine provided by the invention, comprises rotor-type oil pump and is located at rotator type machine oilThe filter screen of pump in-line, described rotor-type oil pump is fixed on crank case of internal combustion engine and is driven by I. C. engine crankshaft;The oil-feed side of described filter screen is fixedly installed oil storage cover, and the oil-in place of described oil storage cover is fixedly installed levelThe oil storage boss extending internally.
Further, described oil storage cover is the taper type structure being increased gradually by oil-in to oil-out internal diameter, instituteThe angle of stating between oil storage cover and oil storage boss is 120 °-150 °;
Further, also comprise fuel sucking pipe and screen cover; Described screen cover is communicated in rotator type machine by fuel sucking pipeThe import of oil pump oil input channel forms described in-line; Between the import of described oil input channel and fuel sucking pipe, be provided with sealingCircle; The oil-out of described screen cover and oil storage cover is oppositely arranged, and described filter screen is arranged at described screen cover and storageThe junction of oil cover;
Further, described rotor-type oil pump comprises pump case, pump cover, internal rotor and outer rotor; Described pump coverBe fixed on pump case and and pump case between be formed for holding the cavity volume of internal rotor and outer rotor; Described internal rotor withOuter rotor eccentric setting also forms some chamber volume by the engagement of conjugation tooth;
Further, described oil storage boss is circulus, the internal diameter of described oil storage cover oil-in and oil storage bossThe ratio of internal diameter be 1.1-1.4;
Further, described oil storage cover and described oil storage boss are one-body molded; Described oil storage cover and described oil storage are protrudingThe junction of platform seamlessly transits;
Further, the oil-out edge of described oil storage cover outwards turns down formation gulde edge; Entering of described screen coverHydraulic fluid port edge is bent to form the inside embedded groove of opening level, and described gulde edge and filter screen embed described embedded grooveIn;
Further, the corresponding internal rotor of described pump case and pump cover and outer rotor disengagement engagement place are provided with oil input channel; PumpThe corresponding internal rotor of shell and pump cover and outer rotor enter engagement place and are provided with oil road; On described pump case, be also provided with and go outThe chain oil spout road that oil duct communicates;
What further, at least one end face of described internal rotor was coaxial is provided with boss; Internal rotor is by described protrudingPlatform is radially positioned at pump case or pump cover;
Further, described rotor-type oil pump is by the removable crank case of internal combustion engine that is fixed on of pump case, on pump caseBe provided with the connecting hole for being fixed in crank case of internal combustion engine; Described internal rotor is driven and is rotated by I. C. engine crankshaft;Internal rotor is provided with for being in transmission connection in the round square hole of I. C. engine crankshaft; Described internal rotor is provided with 9 external tooths,Outer rotor is provided with 10 internal tooths.
Beneficial effect of the present invention: lubricating system of IC engine of the present invention, in the time that automobile travels on slope, byUnder the effect of oil storage cover and oil storage boss, make the machine oil in oil storage cover can keep certain oil reserve; WhenAutomobile, under the situation of jolting, keeps certain oil storage in oil storage cover on the one hand under the effect of oil storage cover and oil storage bossAmount, on the other hand, rocks and enters from the oil-in of oil storage cover because machine oil under the state of jolting also there will beCarry out the maintenance of machine oil to the interior also bronze drum oil storage cover of oil storage cover and oil storage boss, can ensure on slope or joltSufficient and the stable supply of the machine oil of engine when state travels, prevents the mill of vehicle motor internal worksDamage aggravation and tile kilning phenomenon, ensure performance and the service life of engine; The setting of oil storage cover, can alsoEffectively prevent from, because vibration causes coming off of filter screen, having strengthened the structural stability of lubricating system of IC engine; AndAnd simple in structure, easily manufactured, with low cost; Rotor-type oil pump is fixed on to crank case of internal combustion engine simultaneouslyArrange, can eliminate the fit-up gap between lubricating oil pump and crankcase, compared with prior art can reduce bent axleLength, saves bent axle consumptive material and manufacturing cost, reduces bent axle weight, improves the power performance of internal combustion engine, alsoCan avoid the vibration of bent axle to be passed to timing cover, be beneficial to minimizing noise.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is rotor-type oil pump structural representation;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B place zoomed-in view of Fig. 1.
Detailed description of the invention
Fig. 1 is structural representation of the present invention, and Fig. 2 is rotor-type oil pump structural representation, and Fig. 3 is figure2 A-A cutaway view, the B place zoomed-in view that Fig. 4 is Fig. 1, as shown in the figure, one provided by the inventionLubricating system of IC engine, comprises rotor-type oil pump and the filter screen 13 of being located at rotor-type oil pump in-line, instituteStating rotor-type oil pump is fixed on crank case of internal combustion engine 1 and is driven by I. C. engine crankshaft; Entering of described filter screen 13Oil side is fixedly installed oil storage cover 12, and the oil-in place of described oil storage cover 12 is fixedly installed level and inwardly prolongsThe oil storage boss 15 of stretching; Described level extends internally and refers to oil storage boss 15 along continuous straight runs and towards oil storageThe longitudinal center line of cover 12 extends; Lubricating system of IC engine of the present invention, in the time that automobile travels on slope, byUnder the effect of oil storage cover 12 and oil storage boss 15, make the machine oil in oil storage cover 12 can keep certain storageOil mass; When automobile is jolting under situation, under the effect of oil storage cover 12 and oil storage boss 15, keep storage on the one handOil cover 12 interior certain oil reserves, on the other hand, rock and from storage because machine oil under the state of jolting also there will beThe oil-in of oil cover 12 enters into the interior also bronze drum oil storage cover 12 of oil storage cover 12 and oil storage boss 15 carries out machine oilMaintenance, can ensure on slope or the sufficient and stable supply of the machine oil of engine when the state of jolting travels,Prevent wearing and tearing aggravation and the tile kilning phenomenon of vehicle motor internal works, ensure performance and the use of engineLife-span; The setting of oil storage cover 12, can also effectively prevent because vibration causes coming off of filter screen 13, strengthensThe structural stability of lubricating system of IC engine; And simple in structure, easily manufactured, with low cost; RotorFormula lubricating oil pump can be one-body molded with crank case of internal combustion engine 1, i.e. the housing of rotor-type oil pump and crankcase 1One-body molded, also can by the connectors such as bolt removable be fixed on crankcase 1, all can realize order of the present invention.
In the present embodiment, described oil storage cover 12 is for to be tied by oil-in to the taper type that oil-out internal diameter increases graduallyStructure, the angle between described oil storage cover 12 and oil storage boss 15 is 120 °-150 °; This structure, energyEnough ensure under slope or the state that jolts, greatly slow down machine oil and slowly flow out along oil storage cover 12 madial walls,Play the effect of good maintenance oil level, thereby make the machine oil supply of engine sufficient stable.
In the present embodiment, also comprise fuel sucking pipe 18 and screen cover 14; Described screen cover 14 is by fuel sucking pipe 18The import that is communicated in rotor-type oil pump oil input channel 6 forms described in-line; The import of described oil input channel 6 withBetween fuel sucking pipe 18, be provided with sealing ring; Described screen cover 14 is oppositely arranged with the oil-out of oil storage cover 12, instituteState the junction that filter screen 13 is arranged at described screen cover 14 and oil storage cover 12, reasonable in design, has ensuredThe sealing of engine oil passage and reliability, in assembling process, be placed in filter screen 13 import department of screen cover 14,Then with oil storage cover 12, filter screen 13 is compressed screen cover 14 and oil storage cover 12 are connected and fixed, make filter screen13 are located between screen cover 14 and oil storage cover 12 fixingly, are easier to assembling.
In the present embodiment, described rotor-type oil pump comprises pump case 2, pump cover 3, internal rotor 4 and outer rotor 5;Described pump cover 3 be fixed on pump case 2 and and pump case 2 between be formed for holding internal rotor 4 and outer rotor 5Cavity volume; Described internal rotor 4 engages and forms some chamber volume with outer rotor 5 eccentric settings and by conjugation tooth,The conjugation tooth that passes through in the present embodiment engages the flank of tooth conjugate surface each other that refers to the intermeshing gear teeth, inside turnsWhen son 4 and outer rotor 5 are intermeshing, neither interfere also and do not depart from, can be in each teeth groove punishment of outer rotor 5Do not form a chamber volume, by the variation of chamber volume, fluid is sucked and extruded.
In the present embodiment, described oil storage boss 15 is circulus, the internal diameter of described oil storage cover 12 oil-insWith oil storage boss 15 the ratio of internal diameter be 1.1-1.4; The internal diameter of oil storage cover 12 oil-ins refers to and removesThe size of this oil-in after oil storage boss 15, its size equates with oil storage boss 15 external diameters; This structure,On the one hand, can effectively prevent the too small oil-feed that affects machine oil and enter into collecting filter of the internal diameter of oil storage boss 15Measure, and then affect the machine oil supply of engine, on the other hand, within this proportion, oil storage boss15 can play good restriction machine oil is back to the flow of engine sump from collecting filter, and machine oil is playedGood maintenance effect, to ensure the supply of engine motor oil.
In the present embodiment, described oil storage cover 12 and described oil storage boss 15 are one-body molded; Described oil storage cover 12Seamlessly transit with the junction of described oil storage boss 15; Can effective guarantee structural strength, prevent due to vehicleVibration causes oil storage boss 15 to come off; Described oil storage cover 12 and the inner side of oil storage boss 15 and being connected of outsidePlace all seamlessly transits, and for junction, inner side, this structure makes not exist deposition dead in lubricating system of IC engineAngle, can effectively prevent that the Impurity deposition in machine oil from cannot clean in junction, inner side; Connect for outsidePlace, this structure can effectively prevent from, in installation process, staff is caused to unexpected scuffing, ensures constructionSafety.
In the present embodiment, the oil-out edge of described oil storage cover 12 outwards turns down and forms gulde edge 16; DescribedThe oil-in edge of screen cover 14 is bent to form the inside embedded groove of opening level 17, described gulde edge 16 HesFilter screen 13 embeds in described embedded groove 17; Can install easily, structural stability is good; Oil storage cover12 with this syndeton of screen cover 14, can also effectively prevent because vibration causes coming off of filter screen 13,Strengthen the structural stability of lubricating system of IC engine.
In the present embodiment, the corresponding internal rotor 4 of described pump case 2 and pump cover 3 is thrown off engagement place with outer rotor 5 and is establishedThere is oil input channel 6; The corresponding internal rotor 4 of pump case 2 and pump cover 3 enters engagement place with outer rotor 5 and is provided with oil road 7;On described pump case 2, be also provided with the chain oil spout road 8 communicating with oil road 7, can be by by chain oil spout road 8Part fluid sprays to the timing chain in timing cover, for timing chain provides lubricating oil, guarantees timingChain is normally worked.
In the present embodiment, what at least one end face of described internal rotor 4 was coaxial is provided with boss 9; Internal rotor 4Be radially positioned at pump case 2 or pump cover 3 by described boss 9; Boss 9 and internal rotor 4 are one-body molded, protrudingBetween platform 9 and pump case 2 or pump cover 3, adopt little matched in clearance, ensured the reliability that inner and outer rotors 5 engages,Reduce noise, and increased the sealing surface of rotor and the pump housing, reduced seepage, increased pump oiliness energy.
In the present embodiment, described rotor-type oil pump is by the removable crank case of internal combustion engine 1 that is fixed on of pump case 2,Pump case 2 is provided with the connecting hole 10 for being fixed in crank case of internal combustion engine 1; Described internal rotor 4 is by internal combustion engineBent axle drives and rotates; Internal rotor 4 is provided with for being in transmission connection in the round square hole 11 of I. C. engine crankshaft; In describedRotor 4 is provided with 9 external tooths, and outer rotor 5 is provided with 10 internal tooths; Internal rotor 4, directly by crank-driven, passesMoving chain is short, and power transmission steadily, reliably; And the chamber volume that can produce 10 circulation change, fuel delivery is large,Fuel feeding is even, can meet the requirement of admission cam shaft phase regulator operating pressure.
Finally explanation, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, althoughWith reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art should be appreciated thatCan modify or be equal to replacement technical scheme of the present invention, and not depart from technical solution of the present inventionAim and scope, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. a lubricating system of IC engine, is characterized in that: comprise rotor-type oil pump and be located at rotator type machineThe filter screen of oil pump in-line, described rotor-type oil pump is fixed on crank case of internal combustion engine and is driven by I. C. engine crankshaftMoving; The oil-feed side of described filter screen is fixedly installed oil storage cover, and the oil-in place of described oil storage cover is fixedly installedThe oil storage boss that level extends internally; Internal rotor is provided with for being in transmission connection in the round square hole of I. C. engine crankshaft;Described rotor-type oil pump comprises pump case, pump cover, internal rotor and outer rotor; Described pump cover is fixed on pump case alsoAnd between pump case, be formed for holding the cavity volume of internal rotor and outer rotor; Described internal rotor and outer rotor bias are establishedPut and pass through the engagement of conjugation tooth and form some chamber volume; The corresponding internal rotor of described pump case and pump cover and outer rotor are de-Open engagement place and be provided with oil input channel; The corresponding internal rotor of pump case and pump cover and outer rotor enter engagement place and are provided with oil road;On described pump case, be also provided with the chain oil spout road communicating with oil road.
2. lubricating system of IC engine according to claim 1, is characterized in that: described oil storage cover serve as reasons intoThe taper type structure that hydraulic fluid port to oil-out internal diameter increases gradually, the angle between described oil storage cover and oil storage bossIt is 120 °-150 °.
3. lubricating system of IC engine according to claim 2, is characterized in that: also comprise fuel sucking pipe and filterGuard; The import that described screen cover is communicated in rotor-type oil pump oil input channel by fuel sucking pipe forms described oil-feedRoad; Between the import of described oil input channel and fuel sucking pipe, be provided with sealing ring; Described screen cover and oil storage cover fuel-displacedMouth is oppositely arranged, and described filter screen is arranged at the junction of described screen cover and oil storage cover.
4. lubricating system of IC engine according to claim 3, is characterized in that: described oil storage boss is ringShape structure, the internal diameter of described oil storage cover oil-in and oil storage boss the ratio of internal diameter be 1.1-1.4.
5. lubricating system of IC engine according to claim 4, is characterized in that: described oil storage cover and described inOil storage boss is one-body molded; The junction of described oil storage cover and described oil storage boss seamlessly transits.
6. lubricating system of IC engine according to claim 5, is characterized in that: described oil storage cover fuel-displacedMouth edge outwards turns down formation gulde edge; It is inside that the oil-in edge of described screen cover is bent to form opening levelEmbedded groove, described gulde edge and filter screen embed in described embedded groove.
7. lubricating system of IC engine according to claim 6, is characterized in that: described internal rotor at leastWhat end face was coaxial is provided with boss; Internal rotor is radially positioned at pump case or pump cover by described boss.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310156480.6A CN103256093B (en) | 2013-04-28 | 2013-04-28 | Lubricating system of IC engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310156480.6A CN103256093B (en) | 2013-04-28 | 2013-04-28 | Lubricating system of IC engine |
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| CN103256093A CN103256093A (en) | 2013-08-21 |
| CN103256093B true CN103256093B (en) | 2016-05-18 |
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| CN201310156480.6A Active CN103256093B (en) | 2013-04-28 | 2013-04-28 | Lubricating system of IC engine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628946B (en) * | 2013-10-24 | 2016-06-29 | 隆鑫通用动力股份有限公司 | Gasoline engine force feed system and gasoline engine thereof |
| CN112377129B (en) * | 2020-11-15 | 2023-02-03 | 重庆宏工工程机械股份有限公司 | Drilling machine with coring drill barrel convenient to cool |
| CN113297698A (en) * | 2021-05-27 | 2021-08-24 | 科大讯飞股份有限公司 | Engine oil pump noise reduction method and device, electronic equipment and storage medium |
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Effective date of registration: 20170221 Address after: 401221 Chongqing City Yanjia Industrial Park electromechanical materials Park Patentee after: Chongqing Xiaokang Power Co., Ltd. Address before: 400033 Jinqiao Road, Shapingba District, Chongqing, 61-1 Patentee before: Chongqing Xiaokang Industry Group Co., Ltd. |